InChI=1/C19H16FN3O4/c20-13-7-5-12(17(11-13)23(26)27)6-10-18(24)22-16-4-2-1-3-15(16)19(25)21-14-8-9-14/h1-7,10-11,14H,8-9H2,(H,21,25)(H,22,24)/b10-6+/f/h21-22H 3C8520F037775F28